//
// SquaresBrush.cs
//
// Author:
//       Aaron Bockover <abockover@novell.com>
// 
// Copyright (c) 2010 Novell, Inc.
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using Cairo;

using Pinta.Core;

namespace Pinta.Tools.Brushes;

internal sealed class SquaresBrush : BasePaintBrush
{
	public override string Name => Translations.GetString ("Squares");

	protected override RectangleI OnMouseMove (
		Context g,
		ImageSurface surface,
		BrushStrokeArgs strokeArgs)
	{
		PointI current = strokeArgs.CurrentPosition;
		PointI last = strokeArgs.LastPosition;

		PointI mouseDelta = current - last;
		PointD rotated = (PointD) mouseDelta.Rotated90CCW ();

		g.MoveTo (
			last.X - rotated.X,
			last.Y - rotated.Y);

		g.LineTo (
			last.X + rotated.X,
			last.Y + rotated.Y);

		g.LineTo (
			current.X + rotated.X,
			current.Y + rotated.Y);

		g.LineTo (
			current.X - rotated.X,
			current.Y - rotated.Y);

		g.LineTo (
			last.X - rotated.X,
			last.Y - rotated.Y);

		g.StrokePreserve ();

		return g.StrokeExtents ().ToInt ();
	}
}
